A soft metal or nonmetal sleeve, designed to mate with a pin-rivet. it may include an external wrenching facility which breaks off at a perdetermined torque to form a head.
NSN 5965-01-481-7514
NSN 5935-01-089-7125
NSN 5990-01-148-5326
NSN 6135-01-136-8306
NSN 6685-01-391-6790
NSN 6240-01-489-0961
NSN 5990-00-146-3534
NSN 5945-00-683-8334
NSN 5950-01-646-1253
NSN 5965-00-153-5216
NSN 5945-01-188-3195
NSN 5950-00-126-2995